/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author sa11
 */
public class Initer extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Initer</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet Initer at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
           LoggedInBean loggedInBean = LoggedInBean.getInstance();
            
            
            if(loggedInBean.getusername() == null){
                out.println("<form action = 'ProcessLogin' method = 'post'>");
                out.println("<input type = 'textbox' name ='username'>username</input>");        
                out.println("<input type='password' name = 'passwd'>password</input>");        
                out.println("<input type = 'submit' name = 'submit' value = 'Logga In'>");        
                out.println("</form>");    
            }else{

                SQLDatabase database = new SQLDatabase("jdbc:sqlserver://idasql-db.hb.se:56001; databaseName=dbtht1117 ", "dbtht1117", "panwer09");
                database.connect();
                database.executeSQL("SELECT anvandarAlias, anvandarID FROM Anvandare WHERE anvandarID = '" + loggedInBean.getusername() + "';");
                    ResultSet set = database.getResultSet();
                    try {
                        while(set.next()){
                            loggedInBean.setAlias(set.getString(1));
                            loggedInBean.setUserID(set.getInt(2));
                        }
                    } catch (SQLException ex) {
                        System.err.println(ex);
                    }
                    out.println("Välkommen: " + loggedInBean.getAlias());
                    out.println("<form action = 'ProcessLogOut' method = 'post'>");      
                    out.println("<input type = 'submit' name = 'submit' value = 'Logga Ut'>");        
                    out.println("</form>");
                    out.println("<form action = 'TakeInBlogg' method = 'post'>");      
                    out.println("<input type = 'submit' name = 'submit' value = 'Nytt Blogginlägg'>");        
                    out.println("</form>");   
            }
        } finally {            
            
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
